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 ###Instrução: Qual é o número total para long quando há 19 tentativas?
 ###Tabelas: CREATE TABLE rushing (rushing_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Attempts INT, Yards INT, Average INT, Long INT, Touchdowns INT) CREATE TABLE administered_by_independent_administrative_institutions (administered_by_independent_administrative_institutions_id AUTO_INCREMENT PRIMARY KEY, English Name VARCHAR, Japanese orthography VARCHAR, Pronouciation VARCHAR, abbreviation VARCHAR, Provider(IAI) VARCHAR, Foundation INT) CREATE TABLE most_goals_in_a_season_—_all_competitions_at_least_40_goals (most_goals_in_a_season_—_all_competitions_at_least_40_goals_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Name VARCHAR, Season VARCHAR, Club VARCHAR, Goals INT, Apps INT, Goals per Match INT) CREATE TABLE recent_champions (recent_champions_id AUTO_INCREMENT PRIMARY KEY, Season VARCHAR, Premier Division VARCHAR, Division One VARCHAR, Division Two VARCHAR, Division Three VARCHAR, Division Four VARCHAR, Division Five VARCHAR) CREATE TABLE dos_shells (dos_shells_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Release date VARCHAR, Latest version VARCHAR, Status support VARCHAR, Source model VARCHAR, Architecture VARCHAR, Target market VARCHAR)  
SELECT COUNT Long FROM rushing WHERE Attempts = 19